Base | Representation |
---|---|
bin | 1010011100100… |
… | …10001110101111 |
3 | 20002220002210222 |
4 | 11032102032233 |
5 | 134413141032 |
6 | 12410121555 |
7 | 2112564200 |
oct | 516221657 |
9 | 202802728 |
10 | 87630767 |
11 | 45513324 |
12 | 254202bb |
13 | 15202733 |
14 | b8d15a7 |
15 | 7a5ea12 |
hex | 53923af |
87630767 has 12 divisors (see below), whose sum is σ = 107935200. Its totient is φ = 70693056.
The previous prime is 87630761. The next prime is 87630773. The reversal of 87630767 is 76703678.
It is an interprime number because it is at equal distance from previous prime (87630761) and next prime (87630773).
It is not a de Polignac number, because 87630767 - 28 = 87630511 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87630761) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51767 + ... + 53432.
It is an arithmetic number, because the mean of its divisors is an integer number (8994600).
Almost surely, 287630767 is an apocalyptic number.
87630767 is a deficient number, since it is larger than the sum of its proper divisors (20304433).
87630767 is a wasteful number, since it uses less digits than its factorization.
87630767 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105230 (or 105223 counting only the distinct ones).
The product of its (nonzero) digits is 296352, while the sum is 44.
The square root of 87630767 is about 9361.1306475233. The cubic root of 87630767 is about 444.1730499188.
The spelling of 87630767 in words is "eighty-seven million, six hundred thirty thousand, seven hundred sixty-seven".
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